www.valenza-engineering.com 381_R_04_Rev 0 OGNZL_WUG_Phase1_Conceptual_Mitigation 46 Drill Pad Drillhole Name Easting Northing Elevation Azimuth Dip Depth (m) Type Priority Drill site 2 PAD02D_SP_PZ 1850116 5868369 223.9 0 90 310 Standpipe Piezometer 2 Drill site 2 PAD02S_SP_PZ 1850116 5868359 224.2 0 90 110 Standpipe Piezometer 2 Drill site 1 PAD01S_SP_PZ 1849837 5868324 183.6 0 90 120 Standpipe Piezometer 3 Drill site 1 PAD01D_SP_PZ 1849837 5868335 182.1 0 90 200 Standpipe Piezometer 3 Drill Site 1 WKP116 - S 1849837 5868335 182.1 127 20 90 VWP 3 Drill Site 1 WKP116 - M 1849837 5868335 182.1 127 20 160 VWP 3 Drill Site 1 WKP116 - D 1849837 5868335 182.1 127 20 345 VWP 3 Drill Site 1 WKP115 - D 1849837 5868335 208.4 151 26 470 VWP 4 Drill Site 1 WKP115 – M1 1849837 5868335 208.4 151 26 315 VWP 4 Drill Site 1 WKP115 – M2 1849837 5868335 208.4 151 26 170 VWP 4 Drill Site 1 WKP115 - S 1849837 5868335 208.4 151 26 115 VWP 4 Drill Site 8 WKP115A - S 1849762 5868222 208.4 130.5 38 130 VWP 4 Drill Site 8 WKP115A - M 1849762 5868222 208.4 130.5 38 230 VWP 4 Drill Site 8 WKP115A - D 1849762 5868222 208.4 130.5 38 300 VWP 4 Further hydraulic testing should be completed on these holes where possible, including borehole hydraulic tests and packer testing. 8.2. PRE-DEVELOPMENT Pre-development monitoring will include the following elements: Completion of Packer Tests at regular intervals (50m). Completion of slug tests in high hydraulic conductivity zones above 1.0 x 10-7 m/s. Where hydraulic conductivity values are likely to be above 1.0 x 10-5 m/s, pumping tests should be completed; Conduct groundwater sampling during installation of instruments for characterisation;
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